Patents by Inventor Zhao YUNFENG

Zhao YUNFENG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Operator's cab arrangement for a construction machine
    Patent number: 10385538
    Abstract: An operator's cab arrangement for a construction machine (100) is proposed which comprises side wall elements, a front wall element, a rear wall element and a roof element (4). At least one of said side wall elements is closable by a door element (1) which is pivotably mounted to said arrangement with a pivot axis being substantially vertical with respect to said construction machine (100). Said door element (1) is inclined towards a central axis of said construction machine when closed.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: August 20, 2019
    Assignee: Guangxi LiuGong Machinery Co., Ltd.
    Inventors: Edward Wagner, Li Yanjun, Zhao Yunfeng, Waldemar Czeslaw Chmielowiec
  • Self-level Mechanism for A Construction Machine
    Publication number: 20180202126
    Abstract: Disclosed is a self-level mechanism for controlling a tilting movement of an equipment (15) mounted to an equipment connector (5) of a main arm (3) of a lifting arrangement of a construction machine, preferably a wheel loader (1), upon pivoting said main arm (3). The self-level mechanism is configured to at least partially compensate any tilting movement of the equipment (15).
    Type: Application
    Filed: January 29, 2016
    Publication date: July 19, 2018
    Inventors: Zhao YUNFENG, Sean PLANTE